EDW-2011-Johnston
EDW-2011-Johnston
EDW-2011-Johnston
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TWO “WHEN” QUESTIONSWhen were things like that?When did our data say things werelike that?Example: On July 1 st ,who did we say wereour current clients onApril 1 st ?Example: On October 15 th ,who did we say wereour current clients onApril 1 st ?Example: right now, whodo we say wereour current clients onApril 1 st ?These are completely different questions!Slide 13.<strong>EDW</strong> <strong>2011</strong>Understanding Bitemporal Data. © <strong>2011</strong>, Asserted Versioning, LLC
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